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Alexandrite

Tsarstone collectors guide


Ultraviolet absorption

Ultraviolet absorption
When ultraviolet light transmit through a colored gemstone, due to colored sample certain wavelengths are absorbed more strongly than others. When the spectrum is passed through the medium into a testing spectroscope, the colors most strongly absorbed may show as dark bands or finer lines.
Bibliographic details
Page title Definition of Ultraviolet absorption
Author David Weinberg
Website title Alexandrite Tsarstone Collectors Guide
Date published 03 July 2010 05:43 UTC
Date accessed 19 April 2014 16:44 UTC
Permanent link http://www.alexandrite.net/viewpage.html?id=GG-080-00003
AMA style
David Weinberg. "Definition of Ultraviolet absorption". In Alexandrite Tsarstone Collectors Guide. July 03, 2010, 05:43 UTC. Available at: http://www.alexandrite.net/viewpage.html?id=GG-080-00003. Accessed April 19, 2014.
APA style
"Definition of Ultraviolet absorption". (2010, July 03). In Alexandrite Tsarstone Collectors Guide. Retrieved 16:44, April 19, 2014, from http://www.alexandrite.net/viewpage.html?id=GG-080-00003.
Bluebook style
"Definition of Ultraviolet absorption", http://www.alexandrite.net/viewpage.html?id=GG-080-00003 (last visited April 19, 2014).
Bluebook: Harvard JOLT style
See Alexandrite Tsarstone Collectors Guide, "Definition of Ultraviolet absorption", http://www.alexandrite.net/viewpage.html?id=GG-080-00003 (When ultraviolet light transmit through a colored gemstone, due to colored sample certain wavelengths are absorbed more strongly than others. When the spectrum is passed through the medium into a testing spectroscope, the colors most strongly absorbed may show as dark bands or finer lines.) (as of Apr. 19, 2014, 16:44 GMT).
CBE/CSE style
David Weinberg. "Definition of Ultraviolet absorption". In Alexandrite Tsarstone Collectors Guide. 2010 Jul 03, 05:43 UTC.[Internet], Alexandrite Tsarstone Collectors Guide; 2010 Jul 03, 05:43 UTC [cited 2014 Apr 19]. Available from: http://www.alexandrite.net/viewpage.html?id=GG-080-00003.
Chicago style
David Weinberg, "Definition of Ultraviolet absorption", http://www.alexandrite.net/viewpage.html?id=GG-080-00003, (accessed April 19, 2014).
MLA style
"Definition of Ultraviolet absorption". Alexandrite Tsarstone Collectors Guide. 03 Jul 2010, 05:43 UTC. 19 Apr 2014 http://www.alexandrite.net/viewpage.html?id=GG-080-00003
MHRA style
David Weinberg, "Definition of Ultraviolet absorption", Alexandrite Tsarstone Collectors Guide, 03 July 2010, 05:43 UTC, http://www.alexandrite.net/viewpage.html?id=GG-080-00003 [accessed 19 April 2014].
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